Description:Spanish tennis player Rafael Nadal showed his support for Madrid's 2020 Olympic bid at the U.S. Open in New York on Friday (September 6) by draping himself in the city's campaign flag. The 13-times grand slam champion posed for photographers and television cameras at Flushing Meadows one his day off before he plays Frenchman Richard Gasquet in the U.S. Open semifinals on Saturday (September 7).(0:16)